document_title: Glacier National Park (U.S.)

question_text: from what time period are most of the rocks in glacier national park

root

text: Glacier National Park (U.S.)

text: History[edit]

text: According to archeological evidence, Native Americans first arrived in the Glacier area some 10,000 years ago. The earliest occupants with lineage to current tribes were the Flathead (Salish) and Kootenai,[12] Shoshone, and Cheyenne. The Blackfeet arrived around the beginning of the 18th century and soon dominated the eastern slopes of what later became the park, as well as the Great Plains immediately to the east.[9] The park region provided the Blackfeet shelter from the harsh winter winds of the plains, allowing them to supplement their traditional bison hunts with other game meat. Today, the Blackfeet Indian Reservation borders the park in the east, while the Flathead Indian Reservation is located west and south of the park. When the Blackfeet Reservation was first established in 1855 by the Lame Bull Treaty, it included the eastern area of the current park up to the Continental Divide.[13] To the Blackfeet, the mountains of this area, especially Chief Mountain and the region in the southeast at Two Medicine, were considered the "Backbone of the World" and were frequented during vision quests.[14] In 1895 Chief White Calf of the Blackfeet authorized the sale of the mountain area, some 800,000 acres (3,200 km2), to the U.S. government for $1.5 million, with the understanding that they would maintain usage rights to the land for hunting as long as the ceded stripe will be public land of the United States.[15] This established the current boundary between the park and the reservation.

tag: p

text:
Far away in northwestern Montana, hidden from view by clustering mountain peaks, lies an unmapped corner—the Crown of the Continent.

—George Bird Grinnell (1901)[16]

tag: div

text: While exploring the Marias River in 1806, the Lewis and Clark Expedition came within 50 miles (80 km) of the area that is now the park.[9] A series of explorations after 1850 helped to shape the understanding of the area that later became the park. In 1885 George Bird Grinnell hired noted explorer (and later well regarded author) James Willard Schultz to guide him on a hunting expedition into what would later become the park.[17] After several more trips to the region, Grinnell became so inspired by the scenery that he spent the next two decades working to establish a national park. In 1901 Grinnell wrote a description of the region in which he referred to it as the "Crown of the Continent". His efforts to protect the land make him the premier contributor to this cause.[18] A few years after Grinnell first visited, Henry L. Stimson and two companions, including a Blackfoot, climbed the steep east face of Chief Mountain in 1892.

text: In 1891 the Great Northern Railway crossed the Continental Divide at Marias Pass 5,213 feet (1,589 m), which is along the southern boundary of the park. In an effort to stimulate use of the railroad, the Great Northern soon advertised the splendors of the region to the public. The company lobbied the United States Congress. In 1897 the park was designated as a forest preserve.[19] Under the forest designation, mining was still allowed but was not commercially successful. Meanwhile, proponents of protecting the region kept up their efforts. In 1910, under the influence of the Boone and Crockett Club,[20] spearheaded by Club members George Bird Grinnell, Henry L. Stimson, and the railroad, a bill was introduced into the U.S. Congress which redesignated the region from a forest reserve to a national park. This bill was signed into law by President William Howard Taft on May 11, 1910.[21][22] In 1910 George Bird Grinnell wrote, "This Park, the country owes to the Boone and Crockett Club, whose members discovered the region, suggested it being set aside, caused the bill to be introduced into congress and awakened interest in it all over the country".[23]

text: From May until August 1910, the forest reserve supervisor, Fremont Nathan Haines, managed the park's resources as the first acting superintendent. In August 1910, William Logan was appointed the park's first superintendent. While the designation of the forest reserve confirmed the traditional usage rights of the Blackfeet, the enabling legislation of the national park does not mention the guarantees to the Native Americans. It is the position of the United States government that with the special designation as a National Park the mountains ceded their multi-purpose public land status and the former rights ceased to exist as it was confirmed by the Court of Claims in 1935. Some Blackfeet held that their traditional usage rights still exist de jure. In the 1890s, armed standoffs were avoided narrowly several times.[24]

text: The Great Northern Railway, under the supervision of president Louis W. Hill, built a number of hotels and chalets throughout the park in the 1910s to promote tourism. These buildings, constructed and operated by a Great Northern subsidiary called the Glacier Park Company, were modeled on Swiss architecture as part of Hill's plan to portray Glacier as "America's Switzerland". Hill was especially interested in sponsoring artists to come to the park, building tourist lodges that displayed their work. His hotels in the park never made a profit but they attracted thousands of visitors who came via the Great Northern.[25]

text: Vacationers commonly took pack trips on horseback between the lodges or utilized the seasonal stagecoach routes to gain access to the Many Glacier area in the northeast.[26]

text: The chalets, built between 1910 and 1913, included Belton, St. Mary, Going-to-the-Sun, Many Glacier, Two Medicine, Sperry, Granite Park, Cut Bank, and Gunsight Lake. The railway also built Glacier Park Lodge, adjacent to the park on its east side, and the Many Glacier Hotel on the east shore of Swiftcurrent Lake. Louis Hill personally selected the sites for all of these buildings, choosing each for their dramatic scenic backdrops and views. Another developer, John Lewis, built the Lewis Glacier Hotel on Lake McDonald in 1913–1914. The Great Northern Railway bought the hotel in 1930 and it was later renamed Lake McDonald Lodge.[27] Some of the chalets were in remote backcountry locations accessible only by trail. Today, only Sperry, Granite Park, and Belton Chalets are still in operation, while a building formerly belonging to Two Medicine Chalet is now Two Medicine Store.[28] The surviving chalet and hotel buildings within the park are now designated as National Historic Landmarks.[29] In total, 350 buildings and structures within the park are listed on the National Register of Historic Places, including ranger stations, backcountry patrol cabins, fire lookouts, and concession facilities.[30] In 2017, Sperry Chalet closed early for the season due to the Sprague Fire which subsequently burned the entire interior portions of the structure, leaving only the stone exterior standing. Due to damage, the chalet was closed indefinitely and while the exterior stonework was stabilized in the fall of 2017, the dates for rebuilding and reopening the chalet has yet to be determined.[31]

text: After the park was well established and visitors began to rely more on automobiles, work was begun on the 53-mile (85 km) long Going-to-the-Sun Road, completed in 1932. Also known simply as the Sun Road, the road bisects the park and is the only route that ventures deep into the park, going over the Continental Divide at Logan Pass, 6,646 feet (2,026 m) at the midway point. The Sun Road is also listed on the National Register of Historic Places and in 1985 was designated a National Historic Civil Engineering Landmark.[32] Another route, along the southern boundary between the park and National Forests, is US Route 2, which crosses the Continental Divide at Marias Pass and connects the towns of West Glacier and East Glacier.

text: The Civilian Conservation Corps (CCC), a New Deal relief agency for young men, played a major role between 1933 and 1942 in developing both Glacier National Park and Yellowstone National Park. CCC projects included reforestation, campground development, trail construction, fire hazard reduction, and fire-fighting work.[33] The increase in motor vehicle traffic through the park during the 1930s resulted in the construction of new concession facilities at Swiftcurrent and Rising Sun, both designed for automobile-based tourism. These early auto camps are now also listed on the National Register.[28]

text: In 2011, Glacier National Park was depicted on the seventh quarter in the America the Beautiful Quarters series.[34]

text: Park management[edit]

text: Glacier National Park is managed by the National Park Service, with the park's headquarters in West Glacier, Montana. Visitation to Glacier National Park averaged about 2.2 million visitors annually over the ten-year period from 2007 to 2016,[2] though relatively few of those visitors ventured far from the roadways, hotels and campgrounds.

text: Glacier National Park finished with a budget of $13,803,000 in 2016, with a planned budget of $13,777,000 for 2017.[35] In anticipation of the 100th anniversary of the park in 2010, major reconstruction of the Going-to-the-Sun Road was completed. The Federal Highway Administration managed the reconstruction project in cooperation with the National Park Service.[36] Some rehabilitation of major structures such as visitor centers and historic hotels, as well as improvements in wastewater treatment facilities and campgrounds, are expected to be completed by the anniversary date. Also planned are fishery studies for Lake McDonald, updates of the historical archives, and restoration of trails.

text: The mandate of the National Park Service is to "... preserve and protect natural and cultural resources". The Organic Act of August 25, 1916 established the National Park Service as a federal agency. One major section of the Act has often been summarized as the "Mission", "... to promote and regulate the use of the ... national parks ... which purpose is to conserve the scenery and the natural and historic objects and the wild life therein and to provide for the enjoyment of the same in such manner and by such means as will leave them unimpaired for the enjoyment of future generations."[37] In keeping with this mandate, hunting is illegal in the park, as are mining, logging, and the removal of natural or cultural resources. Additionally, oil and gas exploration and extraction are not permitted. These restrictions, however, caused a lot of conflict with the adjoining Blackfeet Indian Reservation. When they sold the land to the United States government, it was with the stipulation of being able to maintain their usage rights of the area, many of which (such as hunting) had come into conflict with these regulations.[15]

text: In 1974, a wilderness study was submitted to Congress which identified 95% of the area of the park as qualifying for wilderness designation. Unlike a few other parks, Glacier National Park has yet to be protected as wilderness, but National Park Service policy requires that identified areas listed in the report be managed as wilderness until Congress renders a full decision.[30] Ninety-three percent of Glacier National Park is managed as wilderness, even though it has not been officially designated.[38]

text: Geography and geology[edit]

text: The park is bordered on the north by Waterton Lakes National Park in Alberta, and the Flathead Provincial Forest and Akamina-Kishinena Provincial Park in British Columbia.[39] To the west, the north fork of the Flathead River forms the western boundary, while its middle fork is part of the southern boundary. The Blackfeet Indian Reservation provides most of the eastern boundary. The Lewis and Clark and the Flathead National Forests form the southern and western boundary.[40] The remote Bob Marshall Wilderness Complex is located in the two forests immediately to the south.[41]

text: The park contains a dozen large lakes and 700 smaller ones, but only 131 lakes have been named.[42] Lake McDonald on the western side of the park is the longest at 9.4 miles (15.1 km), the largest in area at 6,823 acres (27.61 km2), and the deepest at 464 feet (141 m). Numerous smaller lakes, known as tarns, are located in cirques formed by glacial erosion. Some of these lakes, like Avalanche Lake and Cracker Lake, are colored an opaque turquoise by suspended glacial silt, which also causes a number of streams to run milky white. The lakes of Glacier National Park remain cold year round, with temperatures rarely above 50 °F (10 °C) at their surface.[42] Cold water lakes such as these support little plankton growth, ensuring that the lake waters are remarkably clear. The lack of plankton, however, lowers the rate of pollution filtration, so pollutants have a tendency to linger longer. Consequently, the lakes are considered environmental bellwethers as they can be quickly affected by even minor increases in pollutants.[43]

text: Two hundred waterfalls are scattered throughout the park. However, during drier times of the year, many of these are reduced to a trickle. The largest falls include those in the Two Medicine region, McDonald Falls in the McDonald Valley, and Swiftcurrent Falls in the Many Glacier area, which is easily observable and close to the Many Glacier Hotel. One of the tallest waterfalls is Bird Woman Falls, which drops 492 feet (150 m) from a hanging valley beneath the north slope of Mount Oberlin.[44]

text: Geology[edit]

text: The rocks found in the park are primarily sedimentary rocks of the Belt Supergroup. They were deposited in shallow seas over 1.6 billion to 800 million years ago. During the formation of the Rocky Mountains 170 million years ago, one region of rocks now known as the Lewis Overthrust was forced eastward 50 miles (80 km). This overthrust was several miles (kilometers) thick and hundreds of miles (kilometers) long.[45] This resulted in older rocks being displaced over newer ones, so the overlying Proterozoic rocks are between 1.4 and 1.5 billion years older than Cretaceous age rocks they now rest on.[45][46]

text: One of the most dramatic evidences of this overthrust is visible in the form of Chief Mountain, an isolated peak on the edge of the eastern boundary of the park rising 2,500 feet (800 m) above the Great Plains.[46][47] There are six mountains in the park over 10,000 feet (3,000 m) in elevation, with Mount Cleveland at 10,466 feet (3,190 m) being the tallest.[48] Appropriately named Triple Divide Peak sends waters towards the Pacific Ocean, Hudson Bay, and Gulf of Mexico watersheds. This peak can effectively be considered to be the apex of the North American continent, although the mountain is only 8,020 feet (2,444 m) above sea level.[49]

text: The rocks in Glacier National Park are the best preserved Proterozoic sedimentary rocks in the world, with some of the world's most fruitful sources for records of early life. Sedimentary rocks of similar age located in other regions have been greatly altered by mountain building and other metamorphic changes; consequently fossils are less common and more difficult to observe.[50] The rocks in the park preserve such features as millimeter-scale lamination, ripple marks, mud cracks, salt-crystal casts, raindrop impressions, oolites, and other sedimentary bedding characteristics. Six fossilized species of Stromatolites, early organisms consisting of primarily blue-green algae, have been documented and dated at about 1 billion years.[47] The discovery of the Appekunny Formation, a well preserved rock stratum in the park, pushed back the established date for the origination of animal life a full billion years. This rock formation has bedding structures which are believed to be the remains of the earliest identified metazoan (animal) life on Earth.[46]

text: Glaciers[edit]

text: Glacier National Park is dominated by mountains which were carved into their present shapes by the huge glaciers of the last ice age. These glaciers have largely disappeared over the last 12,000 years.[51] Evidence of widespread glacial action is found throughout the park in the form of U-shaped valleys, cirques, arêtes, and large outflow lakes radiating like fingers from the base of the highest peaks.[6] Since the end of the ice ages, various warming and cooling trends have occurred. The last recent cooling trend was during the Little Ice Age, which took place approximately between 1550 and 1850.[52] During the Little Ice Age, the glaciers in the park expanded and advanced, although to nowhere near as great an extent as they had during the Ice Age.[51]

text: During the middle of the 20th century, examination of the maps and photographs from the previous century provided clear evidence that the 150 glaciers known to have existed in the park a hundred years earlier had greatly retreated, and in many cases disappeared altogether.[53] Repeat photography of the glaciers, such as the pictures taken of Grinnell Glacier between 1938 and 2009 as shown, help to provide visual confirmation of the extent of glacier retreat.

text:
1938
1981
1998
2009

text: In the 1980s, the U.S. Geological Survey began a more systematic study of the remaining glaciers, which has continued to the present day. By 2010, 37 glaciers remained, but only 25 of these were considered to be "active glaciers" of at least 25 acres (0.10 km2) in area.[5][53] The National Park Service warns that if the current warming trend continues, the park's remaining glaciers will be gone by 2030.[6] This glacier retreat follows a worldwide pattern that has accelerated even more since 1980. Without a major climatic change in which cooler and moister weather returns and persists, the mass balance, which is the accumulation rate versus the ablation (melting) rate of glaciers, will continue to be negative and the glaciers have been projected to eventually disappear, leaving behind only barren rock.[54]

text: After the end of the Little Ice Age in 1850, the glaciers in the park retreated moderately until the 1910s. Between 1917 and 1941, the retreat rate accelerated and was as high as 330 feet (100 m) per year for some glaciers.[53] A slight cooling trend from the 1940s until 1979 helped to slow the rate of retreat and, in a few cases, even advanced the glaciers over ten meters. However, during the 1980s, the glaciers in the park began a steady period of loss of glacial ice, which continues as of 2010. In 1850, the glaciers in the region near Blackfoot and Jackson Glaciers covered 5,337 acres (21.6 km2), but by 1979, the same region of the park had glacier ice covering only 1,828 acres (7.4 km2). Between 1850 and 1979, 73% of the glacial ice had melted away.[55] At the time the park was created, Jackson Glacier was part of Blackfoot Glacier, but the two have separated into individual glaciers since.[56]

text: The impact of glacier retreat on the park's ecosystems is not fully known, but plant and animal species that are dependent on cold water could suffer due to a loss of habitat. Reduced seasonal melting of glacial ice may also affect stream flow during the dry summer and fall seasons, reducing water table levels and increasing the risk of forest fires. The loss of glaciers will also reduce the aesthetic visual appeal that glaciers provide to visitors.[55]

text: Climate[edit]

text: As the park spans the Continental Divide, and has more than 7,000 feet (2,100 m) in elevation variance, many climates and microclimates are found in the park. As with other alpine systems, average temperature usually drops as elevation increases.[57] The western side of the park, in the Pacific watershed, has a milder and wetter climate, due to its lower elevation. Precipitation is greatest during the winter and spring, averaging 2 to 3 inches (50 to 80 mm) per month. Snowfall can occur at any time of the year, even in the summer, and especially at higher altitudes. The winter can bring prolonged cold waves, especially on the eastern side of the Continental Divide, which has a higher elevation overall.[58] Snowfalls are significant over the course of the winter, with the largest accumulation occurring in the west. During the tourist season, daytime high temperatures average 60 to 70 °F (16 to 21 °C), and nighttime lows usually drop into the 40 °F (4 °C) range. Temperatures in the high country may be much cooler. In the lower western valleys, daytime highs in the summer may reach 90 °F (30 °C).[59]

text: Rapid temperature changes have been noted in the region. In Browning, Montana, just east of the park in the Blackfeet Reservation, a world record temperature drop of 100 °F (56 °C) in only 24 hours occurred on the night of January 23–24, 1916, when thermometers plunged from 44 to −56 °F (7 to −49 °C).[60]

text: Glacier National Park has a highly regarded global climate change research program. Based in West Glacier, with the main headquarters in Bozeman, Montana, the U.S. Geological Survey has performed scientific research on specific climate change studies since 1992. In addition to the study of the retreating glaciers, research performed includes forest modeling studies in which fire ecology and habitat alterations are analyzed. Additionally, changes in alpine vegetation patterns are documented, watershed studies in which stream flow rates and temperatures are recorded frequently at fixed gauging stations, and atmospheric research in which UV-B radiation, ozone and other atmospheric gases are analyzed over time. The research compiled contributes to a broader understanding of climate changes in the park. The data collected, when compared to other facilities scattered around the world, help to correlate these climatic changes on a global scale.[61][62]

text: Glacier is considered to have excellent air and water quality. No major areas of dense human population exist anywhere near the region and industrial effects are minimized due to a scarcity of factories and other potential contributors of pollutants.[63] However, the sterile and cold lakes found throughout the park are easily contaminated by airborne pollutants that fall whenever it rains or snows, and some evidence of these pollutants has been found in park waters. Wildfires could also impact the quality of water. However, the pollution level is currently viewed as negligible, and the park lakes and waterways have a water quality rating of A-1, the highest rating given by the state of Montana.[64]

text:
[show]Climate data for Glacier National Park, elev. 3,154 feet (961 m)

Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Year

Record high °F (°C)
55
(13)
58
(14)
66
(19)
83
(28)
90
(32)
93
(34)
99
(37)
99
(37)
95
(35)
79
(26)
65
(18)
52
(11)
99
(37)

Average high °F (°C)
30.5
(−0.8)
35.0
(1.7)
43.2
(6.2)
54.0
(12.2)
64.5
(18.1)
71.7
(22.1)
80.0
(26.7)
79.3
(26.3)
67.5
(19.7)
52.3
(11.3)
37.3
(2.9)
28.8
(−1.8)
53.8
(12.1)

Average low °F (°C)
18.3
(−7.6)
18.9
(−7.3)
24.6
(−4.1)
30.6
(−0.8)
38.0
(3.3)
44.3
(6.8)
48.5
(9.2)
47.1
(8.4)
39.3
(4.1)
32.0
(0)
25.5
(−3.6)
17.8
(−7.9)
32.1
(0.1)

Record low °F (°C)
−35
(−37)
−32
(−36)
−30
(−34)
3
(−16)
13
(−11)
24
(−4)
31
(−1)
26
(−3)
18
(−8)
−3
(−19)
−29
(−34)
−36
(−38)
−36
(−38)

Average precipitation inches (mm)
3.23
(82)
1.98
(50.3)
2.08
(52.8)
1.93
(49)
2.64
(67.1)
3.47
(88.1)
1.70
(43.2)
1.30
(33)
2.05
(52.1)
2.49
(63.2)
3.27
(83.1)
3.01
(76.5)
29.15
(740.4)

Average snowfall inches (cm)
29.5
(74.9)
16.8
(42.7)
13.6
(34.5)
2.9
(7.4)
0.3
(0.8)
0.0
(0)
0.0
(0)
0.0
(0)
0.0
(0)
1.7
(4.3)
17.9
(45.5)
34.3
(87.1)
117
(297.2)

Average precipitation days (≥ 0.01 in)
16.5
12.9
13.5
12.1
14.0
14.7
9.5
7.8
9.4
12.4
16.2
16.5
155.5

Average snowy days (≥ 0.1 in)
12.6
8.3
5.8
1.8
0.3
0.0
0.0
0.0
0.0
0.8
6.9
13.4
49.9

Source #1: NOAA (normals, 1981–2010)[65]

Source #2: Western Regional Climate Center (extremes 1949–present)[66]

text: Wildlife and ecology[edit]

text: Flora[edit]

text: Glacier is part of a large preserved ecosystem collectively known as the "Crown of the Continent Ecosystem", all of which is primarily untouched wilderness of a pristine quality. Virtually all the plants and animals which existed at the time European explorers first entered the region are present in the park today.[67]

text: A total of over 1,132 plant species have been identified parkwide.[68] The predominantly coniferous forest is home to various species of trees such as the Engelmann spruce, Douglas fir, subalpine fir, limber pine and western larch, which is a deciduous conifer, producing cones but losing its needles each fall. Cottonwood and aspen are the more common deciduous trees and are found at lower elevations, usually along lakes and streams.[57] The timberline on the eastern side of the park is almost 800 feet (244 m) lower than on the western side of the Continental Divide, due to exposure to the colder winds and weather of the Great Plains. West of the Continental Divide, the forest receives more moisture and is more protected from the winter, resulting in a more densely populated forest with taller trees. Above the forested valleys and mountain slopes, alpine tundra conditions prevail, with grasses and small plants eking out an existence in a region that enjoys as little as three months without snow cover.[69] Thirty species of plants are found only in the park and surrounding national forests.[68] Beargrass, a tall flowering plant, is commonly found near moisture sources, and is relatively widespread during July and August. Wildflowers such as monkeyflower, glacier lily, fireweed, balsamroot and Indian paintbrush are also common.

text: The forested sections fall into three major climatic zones. The west and northwest are dominated by spruce and fir and the southwest by redcedar and hemlock; the areas east of the Continental Divide are a combination of mixed pine, spruce, fir and prairie zones. The cedar-hemlock groves along the Lake McDonald valley are the easternmost examples of this Pacific climatic ecosystem.[70]

text: Whitebark pine communities have been heavily damaged due to the effects of blister rust, a non native fungus. In Glacier and the surrounding region, 30% of the whitebark pine trees have died and over 70% of the remaining trees are currently infected. The whitebark pine provides a high fat pine cone seed, commonly known as the pine nut, that is a favorite food of red squirrels and Clark's nutcracker. Both grizzlies and black bears are known to raid squirrel caches of pine nuts, one of the bears' favorite foods. Between 1930 and 1970, efforts to control the spread of blister rust were unsuccessful, and continued destruction of whitebark pines appears likely, with attendant negative impacts on dependent species.[71]

text: Fauna[edit]

text: Virtually all the historically known plant and animal species, with the exception of the bison and woodland caribou, are still present, providing biologists with an intact ecosystem for plant and animal research. Two threatened species of mammals, the grizzly bear and the Canadian lynx, are found in the park.[38] Although their numbers remain at historical levels, both are listed as threatened because in nearly every other region of the U.S. outside of Alaska, they are either extremely rare or absent from their historical range. On average, one or two bear attacks on humans occur each year; since the creation of the park in 1910, there have been a total of 10 bear-related deaths.[72] The number of grizzlies and lynx in the park is not known for certain, but park biologists believed as of 2008 that there were just above 300 grizzlies in the park; a study which commenced in 2001 hopes to determine the number of lynx.[38][73] The exact population figures for grizzlies and the smaller black bear are not known but biologists are using a variety of methods to try to determine an accurate population range.[74] Another study has indicated that the wolverine, another very rare mammal in the lower 48 states, also lives in the park.[75] Other mammals such as the mountain goat (the official park symbol), bighorn sheep, moose, elk, mule deer, skunk, white-tailed deer, bobcat, coyote, and cougar are either plentiful or common.[76] Unlike in Yellowstone National Park, which implemented a wolf reintroduction program in the 1990s, it is believed that wolves recolonized Glacier National Park naturally during the 1980s.[77] Sixty-two species of mammals have been documented including badger, river otter, porcupine, mink, marten, fisher, six species of bat and numerous other smaller mammals.[76]

text: A total of 260 species of birds have been recorded, with raptors such as the bald eagle, golden eagle, peregrine falcon, osprey and several species of hawks residing year round.[78] The harlequin duck is a colorful species of waterfowl found in the lakes and waterways. The great blue heron, tundra swan, Canada goose and American wigeon are species of waterfowl more commonly encountered in the park. Great horned owl, Clark's nutcracker, Steller's jay, pileated woodpecker and cedar waxwing reside in the dense forests along the mountainsides, and in the higher altitudes, the ptarmigan, timberline sparrow and rosy finch are the most likely to be seen.[78][79] The Clark's nutcracker is less plentiful than in past years due to the decline in the number of whitebark pines.[71]

text: Because of the colder climate, ectothermic reptiles are all but absent, with two species of garter snake and the western painted turtle being the only three reptile species proven to exist.[80] Similarly, only six species of amphibians are documented, although those species exist in large numbers. After a forest fire in 2001, a few park roads were temporarily closed the following year to allow thousands of western toads to migrate to other areas.[81]

text: A total of 23 species of fish reside in park waters and native game fish species found in the lakes and streams include the westslope cutthroat trout, northern pike, mountain whitefish, kokanee salmon and Arctic grayling. Glacier is also home to the threatened bull trout, which is illegal to possess and must be returned to the water if caught inadvertently.[82] Introduction in previous decades of lake trout and other non-native fish species has greatly impacted some native fish populations, especially the bull trout and west slope cutthroat trout.[83]

text: Fire ecology[edit]

text: Forest fires were viewed for many decades as a threat to protected areas such as forests and parks. As a better understanding of fire ecology developed after the 1960s, forest fires were understood to be a natural part of the ecosystem. The earlier policies of suppression resulted in the accumulation of dead and decaying trees and plants, which would normally have been reduced had fires been allowed to burn. Many species of plants and animals actually need wildfires to help replenish the soil with nutrients and to open up areas that allow grasses and smaller plants to thrive.[84] Glacier National Park has a fire management plan which ensures that human-caused fires are generally suppressed. In the case of natural fires, the fire is monitored and suppression is dependent on the size and threat the fire may pose to human safety and structures.[85]

text: Increased population and the growth of suburban areas near parklands, has led to the development of what is known as Wildland Urban Interface Fire Management, in which the park cooperates with adjacent property owners in improving safety and fire awareness. This approach is common to many other protected areas. As part of this program, houses and structures near the park are designed to be more fire resistant. Dead and fallen trees are removed from near places of human habitation, reducing the available fuel load and the risk of a catastrophic fire, and advance warning systems are developed to help alert property owners and visitors about forest fire potentials during a given period of the year.[86] Glacier National Park has an average of 14 fires with 5,000 acres (20 km2) burnt each year.[87] In 2003, 136,000 acres (550 km2) burned in the park after a five-year drought and a summer season of almost no precipitation. This was the most area transformed by fire since the creation of the park in 1910.[7]

text: Recreation[edit]

text: Glacier is distant from major cities. The closest airport is in Kalispell, Montana, southwest of the park. Amtrak trains stop at East and West Glacier, and Essex. A fleet of restored 1930s White Motor Company coaches, called Red Jammers, offer tours on all the main roads in the park. The drivers of the buses are called "Jammers", due to the gear-jamming that formerly occurred during the vehicles' operation. The tour buses were rebuilt in 2001 by Ford Motor Company. The bodies were removed from their original chassis and built on modern Ford E-Series van chassis.[88] They were also converted to run on propane to lessen their environmental impact.[89]

text: Historic wooden tour boats, some dating back to the 1920s, operate on some of the larger lakes. Several of these boats have been in continuous seasonal operation at Glacier National Park since 1927 and carry up to 80 passengers.[90] Three of these decades-old boats were added to the National Register of Historic Places in January 2018.[91]

text: Hiking is popular in the park. Over half of the visitors to the park report taking a hike on the park's nearly 700 miles (1,127 km) of trails.[92] 110 miles (177 km) of the Continental Divide National Scenic Trail spans most of the distance of the park north to south, with a few alternative routes at lower elevations if high altitude passes are closed due to snow. The Pacific Northwest National Scenic Trail crosses the park on 52 miles (84 km) from east to west.

text: Dogs are not permitted on any trails in the park due to the presence of bears and other large mammals. Dogs are permitted at front country campsites that can be accessed by a vehicle and along paved roads.

text: Anyone entering the United States over land or waterway from Canada must have a passport with them.[93]

text: Many day hikes can be taken in the park. Back-country camping is allowed at campsites along the trails. A permit is required and can be obtained from certain visitor centers or arranged for in advance. Much of Glacier's back country is usually inaccessible to hikers until early June due to accumulated snow pack and avalanche risk, and many trails at higher altitudes remain snow packed until July.[94] Campgrounds that allow vehicle access are found throughout the park, most of which are near one of the larger lakes. The campgrounds at St. Mary and at Apgar are open year-round, but conditions are primitive in the off-season, as the restroom facilities are closed and there is no running water. All campgrounds with vehicle access are usually open from mid-June until mid-September.[95] Guide and shuttle services are also available.

text: Climbing is popular in Glacier Park. Due to the Lewis Overthrust Fault, the rock quality in Glacier is old and loose. Despite this, Glacier Park attracts many climbers. The seminal literature on climbing in Glacier Park, A Climber's Guide to Glacier National Park, was written by J. Gordon Edwards in 1961, with the latest edition published in 1995. Climbing has increased in popularity recently with the publication of the "Climb Glacier National Park" series, which provides detailed route descriptions for many major peaks around the park. [96] The Glacier Mountaineering Society sponsors climbing in Glacier Park, and issues awards for those climbers who summit all 10,000 foot peaks in the park or all 6 "Technical" peaks. [97]

text: Fishing is popular in the park. Some of the finest fly fishing in North America can be found in the streams that flow through Glacier National Park. Though the park requires that those fishing understand the regulations, no permit is required to fish the waters within the park boundary. The threatened bull trout must be released immediately back to the water if caught; otherwise, the regulations on limits of catch per day are liberal.[98]

text: Winter recreation in Glacier is limited. Snowmobiling is illegal throughout the park. Cross-country skiing is permitted in the lower altitude valleys away from avalanche zones.[99]

text: Gallery[edit]

text:
Hidden Lake and Bearhat Mountain (right)

Going-to-the-Sun Road

Logan Pass from Clements Mountain

Grinnell Glacier

Iceberg Lake

Triple Divide Pass

Bowman Lake

Kintla Peak

Saint Mary Lake and Wild Goose Island

Visitors observing Mountain Goats

tag: ul

text: In popular culture[edit]

text:
Glacier Park Remembered, a documentary produced by Montana PBS[100]
Through Glacier Park in 1915 / Seeing America first with Howard Eaton (With Illustrations), a road trip travelogue by Mary Roberts Rinehart[101]
Tenting Tonight: A Chronicle of Sport and Adventure in Glacier Park and Cascade Mountains (1918) by Mary Roberts Rinehart, first published in Cosmopolitan (1917)[102]


document_title: Millennium Falcon

question_text: who owned the millennium falcon before han solo

text: Millennium Falcon

text: Origin and design[edit]

text: The ship originally had a more elongated appearance, but this design's similarity to the Eagle Transporters in Space: 1999 prompted Lucas to change the Falcon's design.[citation needed] The original model was modified, re-scaled, and used as Princess Leia's ship, Tantive IV.[2] Modelmaker Joe Johnston had about four weeks to redesign the Falcon, and Lucas's only suggestion to Johnston was to "think of a flying saucer".[3] Johnston did not want to produce a "basic flying saucer", so he created the offset cockpit, forward cargo mandibles, and rear slot for the engines.[3] The design was simple enough to create in the four-week window. Johnston called production of the new Falcon design one of his most intense projects.[3]

text: The sound of the ship traveling through hyperspace comes from two tracks of the engine noise of a McDonnell Douglas DC-9, with one track slightly out of synchronization with the other to introduce a phasing effect.[4] To this, sound designer Ben Burtt added the hum of the cooling fans on the motion-control rig at Industrial Light & Magic (ILM).[4]

text: Models and sets[edit]

text: This section needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (December 2009) (Learn how and when to remove this template message)

tag: table

text: Visually, the Millennium Falcon was represented by several models and external and internal sets. For Star Wars, a partial exterior set was constructed and the set dressed as Docking Bay 94 and the Death Star hangar. Besides the functional landing gear, an additional support held up the structure and was disguised as a fuel line. The interior set included the starboard ring corridor, the boarding ramp, cockpit access tunnel, gun turret ladder, secret compartments, and the forward hold. The cockpit was constructed as a separate set that could be rocked when the ship was supposed to shake. Several inconsistencies exist between the internal set and the external set, the cockpit access tunnel angle being the most noticeable.

text: The effects models for Star Wars matched the design of the exterior set. The primary model was 5 feet long and detailed with various kit parts. The ship was represented by a matte painting when Princess Leia (Carrie Fisher) sees it for the first time, showing the full upper surface. For the 1997 "Special Edition", a digital model replaces the effects model in several shots, and is used in a new shot of the Falcon lifting off from Docking Bay 94.

text: For The Empire Strikes Back, a new external set was constructed. In spring 1979, Marcon Fabrications, a heavy engineering firm that served the UK's petrochemical and oil industries,[5] was hired to build a movable full-scale external model capable of "moving as if it were about to take off."[5] Built in secrecy under the project code name Magic Roundabout,[5][6] the company leased the 1930s Western Sunderland Flying Boat hangar in Pembroke Dock, West Wales.[6][7] The model, which took three months to construct, weighed over 25 long tons (25 t), measured 65 feet (20 m) in diameter and 20 feet (6.1 m) high, and used compressed air hover pads for up to 1.5 inches (38 mm) of hover-height movement around the set.[6][8][9] It was then disassembled and shipped to Elstree Studios, Hertfordshire, for filming.[5] Today, the Pembroke Dock museum has an exhibit about the project.[5][6]

text: Along with the full-size mock-up of the Falcon, a new miniature model was created for Star Wars, Episode V: The Empire Strikes Back to allow ILM to film more intricate in-flight rolls and pitches that weren't possible with the five-foot model. This model was able to be mounted on a gimbal that allowed ILM to simulate very difficult maneuvers as the ship attempted to outrun Imperial Tie-Fighters during the asteroid-field-escape scene from the film. The new model, which measured at approximately 32 inches in length, had several surface features that differed from the five-foot model including updated landing gear and different surface "greeblies" (small kit-bashed parts added to simulate random mechanical surface detail). The 32" model was the version of the Millennium Falcon most depicted in toys, model kits, and promotional materials for the Star Wars universe prior to the release of The Force Awakens. The model was reused for Star Wars, Episode VI: Return of the Jedi.

text: As in Star Wars, the location set was changed around the ship set. The only major design change was to add landing gear where the disguised fuel line had been in Star Wars. As this set included the port side, that gave the set seven landing gears. The internal set was slightly refitted from A New Hope and featured a sliding cockpit door, a larger cargo hold, an additional corridor to port, and an equipment room. Two new interior sets were created that are not shown to connect to the rest of the set: a top hatch that Lando Calrissian (Billy Dee Williams) uses to rescue Luke Skywalker (Mark Hamill), and the compartment where Luke rests on a bunk.

text: The 5-foot-long (1.5 m) effects model from Star Wars was modified to reflect the additional landing gear, and several new models were built, including one roughly the size of a U.S. Quarter Dollar. For the 1997 Special Edition, a CGI model replaced the effects model during the approach and landing on Cloud City.

text: No new models or sets were created for Return of the Jedi. A portion of the full-scale ship was used for a scene cut from the film in which several characters board the Falcon in a sandstorm on Tatooine. In the scene when Han exacts a promise from Lando not to damage the Falcon, the Falcon is represented by a backdrop painting. It is also in a matte painting of the entire hangar bay.

text: The internal and external sets were scrapped after filming on Return of the Jedi ended.[8] The effects models were kept by Lucasfilm and some have been on display from time to time.

text: A digital version of the Falcon appears briefly on Coruscant in Revenge of the Sith. Lucas has said that the ship is the Falcon and not another ship of similar design.[10] A CGI version of the vessel also appears in the Disney attraction Star Tours: The Adventures Continue.

text: On June 3, 2014, TMZ confirmed that the Falcon would return for Star Wars: The Force Awakens when it leaked a photo from the set of the film, showing a full-scale version of the Falcon being built.[11] An effects shot of the Falcon appears in the teaser trailer for The Force Awakens, released on November 28, 2014. This version of the ship is a digital recreation[12] of the original 1977 5 foot model, with additional detailing reflecting the passage of time. The most noticeable change is the rectangular sensor array above the top hull, which replaces the circular dish from the first three films.[13]

text: Depiction[edit]

text: Han Solo won the Millennium Falcon from Lando Calrissian in the card game 'sabacc' several years before the events of the film A New Hope.[14] In Star Wars, Obi-Wan Kenobi (Alec Guinness) and Luke Skywalker (Mark Hamill) charter the ship in the Mos Eisley Cantina to deliver them, C-3PO (Anthony Daniels), R2-D2 (Kenny Baker), and the stolen Death Star plans to Alderaan. When the Falcon is captured by the Death Star, the group conceal themselves in smuggling compartments built into the floor to avoid detection during a search of the ship. Solo later collects his fee for delivering them to the hidden Rebel base and departs under bitter circumstances, but returns to assist Luke in destroying the Death Star.

text: Solo pilots the Falcon, with Chewbacca, Leia, and C-3PO aboard, to elude the Imperial Starfleet in The Empire Strikes Back, wherein they take refuge at Cloud City, where Darth Vader (David Prowse/James Earl Jones) captures Solo. Lando Calrissian helps the others escape and, at the film's end, he departs in the Falcon to track down Solo and his captor, Jabba the Hutt. Calrissian again flies the Falcon during the climax of Return of the Jedi, with Nien Nunb as co-pilot, to destroy the second Death Star. Before the second Death Star is destroyed, Lando accidentally damages the ship by hitting the circular radar dish on a random pipe or circuit in the second Death Star. Lando and the others still have success in destroying the Galactic Empire.

text: In Star Wars: The Force Awakens, set some 30 years after Return of the Jedi, the Falcon is in the possession of a scrap dealer named Unkar Plutt on the desert planet Jakku, having been stolen from Solo and Chewbacca some years prior. Scavenger Rey (Daisy Ridley) and former stormtrooper Finn (John Boyega) steal the Falcon in order to escape from an attack by the First Order, having been targeted for having the droid BB-8 in their possession. They are captured by a smuggling freighter, which turns out to be piloted by Solo and Chewbacca, who reclaim the Falcon for their own. Forced to escape in the Falcon from an ambush by parties to whom Solo is heavily in debt, Solo reluctantly agrees to help Rey and Finn return BB-8 to the Resistance.

text: The Falcon appears again in Star Wars: The Last Jedi, still on Ahch-To with Rey and Chewbacca. Later in the film, Chewbacca and Rey take the Falcon to the planet Crait, where the Resistance is under attack by the First Order. The Falcon loses its sensor dish for the second time on Crait, after it is shot off by a TIE fighter. After the battle, surviving Resistance personnel leave Crait aboard the Falcon.

text: Kessel Run[edit]

text: In the initial film, Solo brags that the Falcon made the Kessel Run in "less than twelve parsecs". As the parsec is a unit of distance, not time, different explanations have been provided. In the fourth draft of the script, Kenobi "reacts to Solo’s stupid attempt to impress them with obvious misinformation".[15] In the Expanded Universe, the Kessel Run is a pathway from Kessel past the Maw Black Hole Cluster: used by smugglers to transport precious Glitterstim spice; and Solo's bragging refers to his ability to move the ship closer to the Maw's black holes and therefore shorten the distance traveled.[16] On the Star Wars DVD audio commentary, Lucas comments that, in the Star Wars universe, traveling through hyperspace requires careful navigation to avoid stars, planets, asteroids, and other obstacles,[17] and that because no long-distance journey can be made in a straight line, the "fastest" ship is the one that can plot the "most direct course", thereby traveling the least distance.[17]

text: In the pre-release novelization the line is: "twelve Standard Time Units".

text: Ownership[edit]

text: Throughout the franchise, the Falcon has been depicted a number of times, and the ship's ownership often comes up during explanations of its history.

text:
Prior to Star Wars, it is said to be in the possession of Lando Calrissian and was lost to Han Solo in payment of a gambling debt.
Following the events of The Empire Strikes Back, Leia and Chewbacca take possession of the Falcon after Solo's hybernation in carbonite and capture by the Empire and Boba Fett.
During Return of the Jedi, Solo leaves Tatooine aboard the Millennium Falcon, on arrival at the rendezvous for the Rebel fleet he loans the Falcon to Lando, who uses it to assist in the Battle of Endor and destruction of the second Death Star.
Following the events of Return of the Jedi, the Falcon is stolen from Solo, ending up on the planet Jakku under the ownership of a scrap dealer, Unkar Plutt, 30 years after the Battle of Endor. In The Force Awakens, Rey and Finn commandeer the ship to escape the planet, only to be found by Solo and Chewbacca, who immediately reclaim the ship.
Following the death of Solo, Rey pilots the Falcon, with Chewbacca as her co-pilot. The novelization of The Force Awakens writes that Chewbacca willingly abdicates captaincy of the Falcon to Rey.

text: Cultural influence[edit]

text: Joss Whedon credits the Millennium Falcon as one of his two primary inspirations for his Firefly television show.[18] The Falcon and the Falcon's distinct shape appear in Star Trek: First Contact,[19] Blade Runner,[20] Spaceballs, and Starship Troopers.[21] The manga series Berserk includes a Millennium Falcon arc.[22] In another manga and anime series, Hellsing, the Millennium Falcon is referenced briefly for comedic effect. The adult animation sketch-comedy series Robot Chicken aired a sketch entitled "The Emperor's Phone Call," in which Palpatine receives the news of the destruction of the Death Star with incredulity, at one point angrily asking "What the hell is an aluminum falcon?"[23]

text: In 2010, Adidas also released a pair of Stan Smith trainers inspired by the Millennium Falcon, as part of the Adidas Originals Star Wars campaign.[24]

text: SpaceX states that its Falcon family of rockets is named after the Millennium Falcon.[25]

text: In 2015, scale model manufacturer DeAgostini and Model-Space introduced a monthly installment piece-build model of the Millennium Falcon. The model is a 1:1 replica of the 32" inch The Empire Strikes Back filming miniature.

text: Toys[edit]

text: Kenner,[26] Hasbro,[27][28] Steel Tec,[29] Master Replicas,[30] Code 3 Collectibles and Micro Machines have all released Millennium Falcon toys and puzzles, including a Transformers version of the ship.

text: Hot Wheels has made a model of the ship for their Star Wars starship line [31] and a version of it as a car.[32] It is also available as a playset to put your cars in. [33]

text: Lego has released multiple versions of the Millennium Falcon in varying sizes. The 5,195-piece Lego model (part of the Star Wars "Ultimate Collectors Series") was physically the largest Lego set sold by the company, until it was topped in 2008 by the Lego Taj Mahal.[34][35] In September 2017, Lego have released the newly updated Millennium Falcon under of the Star Wars "Ultimate Collectors Series". With the new interior and more details compared to the 2007 model, this model consist of 7,541-piece become the single largest Lego set ever sold (by a considerable margin), and with an $800 price tag, it’s also the single most expensive Lego set the company has ever sold.[36]


document_title: Cathedral hull

question_text: the cathedral hull allows a boat to do what

text: Cathedral hull

text: This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. Please help to improve this article by introducing more precise citations. (June 2014) (Learn how and when to remove this template message)

text: A cathedral hull is a hull shape used in modern boats, usually power-driven. It can be thought of as a kind of vestigial trimaran in which the center hull has two smaller side hulls which are so close to the main hull that there is no longer any open space. A cathedral hull is a vee-bottomed boat with sponsons which extend almost as far forward as the main hull. The airspace between the hulls may be very small or nonexistent—a good example would be the classic "Boston Whaler 13" which is nearly a flat-bottomed scow at the stern.

text: Depending on the proportions of the side skirts and the depth of the main hull, the cathedral hull can approach the handling characteristics of either the Hickman sea sled, or the deep-vee hull. The naval architect first credited with the successful use of the deep-vee hull form, C. Raymond Hunt, also invented the Boston Whaler.

text: The term "cathedral hull" refers to the resemblance of a section through an inverted boat to that of a medieval cathedral.

text: The cathedral hull configuration tends to result in a very broad bow; many such boats are completely rectangular. This provides the maximum cargo or working space for a given length and beam. The hull shape is also very stable compared to a conventional v-shaped bottom, and in either light chop conditions or above 40 knots or so is faster than a flat bottom, for the same weight, length and beam.

text: Cathedral hulls became popular in the 1960s and 1970s, when the use of fiberglass made economical production of this hull-form possible. The undesirable aspects of the cathedral hull are greater weight and cost, pounding in rough water, and a boxy appearance. Their advantages include high waterplane area at rest (good initial stability) a dry ride in light chop, and reasonable fuel economy at planing speeds. In exposed waters this hullform has been almost totally replaced by the modified-vee and deep-vee hull forms. After a period of reduced popularity, they live on in modified form as "deck boats" which are very popular in the inland lakes and rivers.

text: The Catheral hull design was originated by Naval Architect Richard C. Cole for Thunderbird boats in North Miami, Florida in 1958.[1]